.app {
    height: 100vh;
    display: flex;
    flex-direction: column;
    
  }
    
  .body {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 50px;
  }
  
  .bottom {
    width: 100%;
    border-top: solid 1px var(--adm-color-border);
    position: fixed;
    bottom: 0;
    left: 0;
    background-color: white;
    z-index: 1000;
    
  }

  .app .iconfont{
    font-size: 20px;
  }
  .active{
    color: #21b97a;
  }